<template>
    <div class="login-page">
      <!-- 登录头部 -->
      <van-nav-bar title="登录"/>
  
      <!-- 表单内容 -->
      <van-form @submit="onSubmit">
        <van-field
          v-model="username"
          name="username"
          label="用户名"
          placeholder="请输入用户名"
          :rules="[
            { required: true, message: '请填写用户名' },
            { pattern: /^\w{5,}$/, message: '用户名需要5个字符'}
          ]"
        />
        <van-field
          v-model="password"
          type="password"
          name="password"
          label="密码"
          placeholder="请输入密码"
          :rules="[
            { required: true, message: '请填写密码' },
            { pattern: /^\w{6,}$/, message: '密码需要6个字符' }
          ]"
        />
        <div style="margin: 16px;">
          <van-button block type="info" native-type="submit">提交</van-button>
        </div>
      </van-form>
  
      <router-link class="link" to="/register">注册账号</router-link>
    </div>
  </template>
  
  <script>
  import { login } from '@/api/user'
  import { setToken } from '@/utils/storage'
  export default {
    name: 'LoginPage',
    data () {
      return {
        username: '',
        password: ''
      }
    },
    methods: {
           // 监听表单的提交，形参中：可以获取到输入框的值
    //   async onSubmit () {
    //     this.$router.push('/home')
    //   }   
      // 监听表单的提交，形参中：可以获取到输入框的值
      async onSubmit (values) {
        const { data } = await login(values)
        // 1. 成功的提示
        this.$toast('登录成功')
        // 2. 将token存入本地
        setToken(data.token)
        // 3. 跳转首页
        this.$router.push('/article')
      }
    }
  }
  </script>
  
  <style scoped>
  .link {
    color: #069;
    font-size: 12px;
    padding-right: 20px;
    float: right;
  }
  </style>
  